Information Processing System and Log Storage Method for Information Processing System

1. An information processing system that cooperates with a cooperation source system to process a request received via the cooperation source system and a request received directly without the cooperation source system, the information processing system comprising: a processor; and a storage unit, wherein the storage unit stores user information for managing user identification information for uniquely identifying a user in the information processing system and cooperation source user identification information for identifying a cooperation source user in the cooperation source system in a case where the user is the cooperation source user in the cooperation source system in association with each other, and the processor is configured to receive the request, determine whether or not the cooperation source user identification information corresponding to identification information of a user included in the received request is included in the user information, convert the identification information into user identification information corresponding to the cooperation source user identification information in the user information, in a case where the cooperation source user identification information is included in the user information, process the request based on the user identification information, determine whether or not the cooperation source user identification information corresponding to the user identification information is included in the user information, when a log related to processing on the request is output, convert the user identification information into the cooperation source user identification information corresponding to the user identification information in the user information in a case where the cooperation source user identification information corresponding to the user identification information is included in the user information, and output the log including the cooperation source user identification information converted from the user identification information.

2. The information processing system according to claim 1, wherein the user information is provided for managing, in association with each other, the user identification information, the cooperation source user identification information for identifying the cooperation source user in the cooperation source system in a case where the user identified by the user identification information is the cooperation source user in the cooperation source system, and cooperation source system identification information for identifying the cooperation source system, and the processor is further configured to determine whether or not the cooperation source user identification information corresponding to the user identification information is included in the user information when the log is output, in a case where the cooperation source user identification information corresponding to the user identification information is included in the user information, convert the user identification information into the cooperation source user identification information corresponding to the user identification information in the user information, and convert identification information of a request source system of the request into the cooperation source system identification information associated with the cooperation source user identification information in the user information, and output the log including the cooperation source user identification information converted from the user identification information and the cooperation source system identification information as the identification information of the request source system.

3. The information processing system according to claim 1, wherein the processor is further configured to, in a case where the cooperation source user identification information corresponding to the identification information is not included in the user information when the request is received from the cooperation source system, associate the cooperation source user identification information and new user identification information with each other and register a result of the association as the cooperation source user identification information in the user information.

4. The information processing system according to claim 3, wherein the new user identification information is a universally unique identifier (UUID).

5. The information processing system according to claim 1, wherein the processor is further configured to process the request based on the user identification information included in the request when the request is received without the cooperation source system, and output the log including the user identification information.

6. A log storage method in an information processing system that cooperates with a cooperation source system to process a request received via the cooperation source system and a request received directly without the cooperation source system, the information processing system including a processor and a storage unit, the method comprising: by the storage unit, storing user information for managing user identification information for uniquely identifying a user in the information processing system and cooperation source user identification information for identifying a cooperation source user in the cooperation source system in a case where the user is the cooperation source user in the cooperation source system in association with each other; and by the processor, receiving the request; determining whether or not the cooperation source user identification information corresponding to identification information of a user included in the received request is included in the user information; converting the identification information into user identification information corresponding to the cooperation source user identification information in the user information, in a case where the cooperation source user identification information is included in the user information; processing the request based on the user identification information; determining whether or not the cooperation source user identification information corresponding to the user identification information is included in the user information, when a log related to processing on the request is output; converting the user identification information into the cooperation source user identification information corresponding to the user identification information in the user information in a case where the cooperation source user identification information corresponding to the user identification information is included in the user information; and outputting the log including the cooperation source user identification information converted from the user identification information.